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2017

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Articles 151 - 156 of 156

Full-Text Articles in Genetics

Analysis Of The Secondary Neurodegenerative Consequences Of Primary Oligodendrocyte Stress Through The Use Of The Novel Obiden Mouse Model, Daniel Zdzislaw Radecki Jan 2017

Analysis Of The Secondary Neurodegenerative Consequences Of Primary Oligodendrocyte Stress Through The Use Of The Novel Obiden Mouse Model, Daniel Zdzislaw Radecki

Wayne State University Dissertations

The work of this project was to develop, test and characterize a potential novel mouse model of the neurodegenerative disease Multiple Sclerosis (MS). Historically, MS has been identified as a primary autoimmune disease of the central nervous system (CNS). However, treatments based on this view have met with limited success, and in most cases, fail to prevent progression of MS from mild to moderate and severe forms. Original observations regarding axonal and neuronal pathology in the white and gray matter of the CNS were rediscovered in the 1990s. These observations indicated that even in the absence of the immune system, …

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Antifungal Genome Mining And Genetics In Filamentous Actinomycete Bacteria Isolated From Local Soils, Jacob Alex, Kevin Lou, Bilal Makhdoom Jan 2017

Antifungal Genome Mining And Genetics In Filamentous Actinomycete Bacteria Isolated From Local Soils, Jacob Alex, Kevin Lou, Bilal Makhdoom

Undergraduate Research Symposium Posters

Actinomycetes are gram positive, filamentous bacteria that produce useful antibiotics, antitumor agents, and agricultural products. A series of enrichments were undertaken to isolate actinomycetes from local soils, varying enrichment media, antibacterials, and soil treatments (including heat and CaCO3). Isolates were characterized by 16S rDNA sequencing, phenotypic and morphological observations, and antibiotic production. The genetic tractability of select isolates was analyzed using a panel of integrating vectors derived from ɸC31, ɸBT1, and OzzyJ phage using intergeneric conjugation. Further, a semi-degenerate multiplex PCR assay to detect ɸBT1 genomic integrants was designed and tested for the first time. Finally, PCR screens were used …

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Paths To Tier 1 Genomics Implementation: A Survey Of Chronic Disease Directors, Amy Ponte Jan 2017

Paths To Tier 1 Genomics Implementation: A Survey Of Chronic Disease Directors, Amy Ponte

Walden Dissertations and Doctoral Studies

Although evidence is currently available for population-based genetic screening and testing of individuals and their family members for certain hereditary chronic disease conditions (Tier 1), few states have integrated these genomic applications into chronic disease prevention programs. State and territorial chronic disease directors (CDDs) could provide the leadership needed to deliver these applications in more states. The purpose of this study was to determine whether an association exists between current chronic disease genomics funding or specific state genomic activities and the level of knowledge and interests in genomics by these directors. Rogers's diffusion of innovations (DIT) theory was used to …

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Evolution Of Molt Phenology In Dwarf Hamsters, Zachary Clare-Salzler Jan 2017

Evolution Of Molt Phenology In Dwarf Hamsters, Zachary Clare-Salzler

Graduate Student Theses, Dissertations, & Professional Papers

Environmental seasonality presents many challenges for survival. In response, organisms from across the tree of life exhibit adaptive phenology, which can facilitate survival from season to season. In particular, many species are white in the winter and brown in the summer where winter snow cover alters the visual environment. There is an extensive body of literature describing the physiological and cellular regulation of this trait in the Siberian dwarf hamster (Phodopus sungorus), but there are major shortcomings in our understanding concerning the evolution and molecular regulation of mammalian skin phenology. Notably, little is known about the genetic basis …

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Development Of Gene-Based Microsatellite Markers In Acer Saccharum Marsh., Monica Harmon Jan 2017

Development Of Gene-Based Microsatellite Markers In Acer Saccharum Marsh., Monica Harmon

Dissertations, Master's Theses and Master's Reports

Sugar maple (Acer saccharum Marsh) is an important ecological and economic resource. Despite its significance, there are few molecular genetic resources available to date. This study used previously developed EST libraries generated for sugar maple and other hardwood species to develop and characterize EST-SSRs in sugar maple and test their transferability to other Acer species. Out of 58 markers tested, 22 showed amplification in the expected size range. From these, 16 polymorphic markers were selected to test transferability and 13 of these showed amplification in at least one other Acer species.

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Family-Based Association Studies Of Autism In Boys Via Facial-Feature Clusters, Luke Andrew Settles Jan 2017

Family-Based Association Studies Of Autism In Boys Via Facial-Feature Clusters, Luke Andrew Settles

Masters Theses

"Autism spectrum disorder (ASD) refers to a set of developmental disorders with varied attributes. Due to its substantial heterogeneity in terms of behavioral and clinical phenotypes, it is challenging to discern the genetic biomarkers behind ASD, even though the disease is known to be genetic in nature. This serves as a motivation to detect relationships between single nucleotide polymorphisms (SNPs) and a causal autism disease susceptibility locus (DSL) within more homogeneous subgroups. Recently, clinically meaningful subclassifications of ASD have been discovered utilizing facial features of prepubescent boys. Therefore, through the employment of data from 44 prepubertal Caucasian boys with ASD …

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